The Ross Controls 2771B4011 is a 27 Series inline-mounted solenoid pilot-controlled valve for pneumatics. It is a 2-position, 2-way valve with 1/2 in NPT port threads and an internal pilot supply code of 4011; the coil is 24 V DC and configured for standard-temperature service. In Ross's catalog, 2771B4011 features a flow coefficient (Cv) of about 4.0, suitable for general automation tasks where compact, reliable air control is needed. Commonly used to actuate double-acting cylinders in manufacturing equipment, this inline valve can be paired with an external pilot supply 4061 when required.
